LibreOffice Fonts - The LibreOffice Portable package includes the OpenSymbol font included with the local version but not the other font faces. This is due to a bug on Windows 10 Anniversary that causes dynamically loaded fonts to take 10x longer to load. The fonts are available as a direct download zip of fonts. You add the fonts to LibreOffice Portable directly by placing them in the LibreOfficePortable\Data\fonts directory or add them to the PortableApps.com Platform for use by all apps by placing them in your PortableApps\PortableApps.com\Data\fonts directory.